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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Ventnor City Water & Sewer Utility

Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.

MORE ABOUT THIS CONTAMINANT

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND40ND
2016ND70ND
2017ND120ND
2018ND90ND
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 2.69 ppb

The EWG Health Guideline of 2.69 ppb for chloromethane was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-23L4983229-2ND
2014-04-23L4983229-1ND
2014-05-14L5050864-3ND
2014-05-21L4092344-1ND
2014-09-10L5111955-1ND
2014-12-15L5247206-1ND
2015-03-18L5364149-1ND
2015-06-22L5497132-1ND
2015-09-28L5651619-1ND
2015-12-14L5817268-1ND
2016-05-31L6292615-2ND
2016-07-21O56570VOCND
2016-07-21O56572VOCND
2016-07-21O56571VOCND
2016-10-26O58473VOCND
2016-10-26O58472VOCND
2016-10-26O58471VOCND
2017-01-30P60226VOCND
2017-01-30P60225VOCND
2017-01-30P60227VOCND
2017-04-04P63191VOCND
2017-04-04P63190VOCND
2017-04-26P64432VOCND
2017-07-12P68256VOCND
2017-07-12P68254VOCND
2017-07-12P68255VOCND
2017-10-10P70212VOCND
2017-10-10P70210VOCND
2017-10-10P70211VOCND
2018-01-29Q71989VOCND
2018-01-29Q71988VOCND
2018-01-29Q71987VOCND
2018-05-15Q74789VOCND
2018-05-15Q74790VOCND
2018-05-15Q74788VOCND
2018-08-29Q77943VOCND
2018-08-29Q77944VOCND
2018-08-29QW77942VOCND